refer: https://www.linkedin.com/pulse/lets-code-building-custom-opentelemetry-collector-drew-robbins/
prereq: go install go.opentelemetry.io/collector/cmd/builder@latest go install go.opentelemetry.io/collector/cmd/mdatagen@latest
customize builder.yaml with required & custom components
build: builder --config=builder-config.yaml otelbin --config=otelconfig.yaml